device: Constify struct device * parameter to acpi_inject_dsdt

.acpi_inject_dsdt() does not need to modify the device
structure. Hence, this change makes the struct device * parameter to
acpi_inject_dsdt as const.

Change-Id: I3b096d9a5a9d649193e32ea686d5de9f78124997
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40711
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/stoneyridge/acpi.c

@@ -272,7 +272,7 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(struct device *device)
+void southbridge_inject_dsdt(const struct device *device)
 {
 	struct global_nvs_t *gnvs;